A List of Radioactive Elements - ThoughtCo
WEBJun 7, 2024 · This is a list or table of elements that are radioactive. Keep in mind, all elements can have radioactive isotopes. If enough neutrons are added to an atom, it becomes unstable and decays. A good example of this is tritium, a radioactive isotope of hydrogen naturally present at extremely low levels.
What Are the Radioactive Elements? - Science Notes and Projects
WEBSep 9, 2019 · Table of Radioactive Elements. This is a list of the radioactive elements and their most stable isotopes. While many of these elements have half-lives so long they almost appear stable, the heavier elements decay almost instantly. Element. Most Stable.
Radioactive elements - Definition, Radioactive decay, List of ...
WEBWhat are Radioactive elements? Some elements of atomic nuclei are unstable because of the presence of excess nuclear charge inside it, so these nuclei undergo radioactive decay to form stable nuclei.
21.1: Radioactivity - Chemistry LibreTexts
WEBJul 7, 2023 · Thus all isotopes of all elements beyond bismuth in the periodic table are radioactive. Because alpha decay decreases Z by only 2, and positron emission or electron capture decreases Z by only 1, it is impossible for any nuclide with Z > 85 to decay to a stable daughter nuclide in a single step, except via nuclear fission.
Radioisotopes | IAEA - International Atomic Energy Agency
WEBJul 30, 2020 · These special attributes make radioisotopes useful in medicine, industry and other areas. Of the 118 elements listed in the periodic table, only 94 occur naturally. While there are 254 stable isotopes, more than 3,000 radioisotopes are known, of which only about 84 are seen in nature.
List of Radioactive Elements - Science Struck
WEBA radioactive element is one with an unstable nucleus, which radiates alpha, beta or gamma radiation and gets converted to a stable element. This article has a comprehensive list of radioactive elements and their properties.
21.3: Radioactive Decay - Chemistry LibreTexts
WEBAug 26, 2023 · Three of these series include most of the naturally radioactive elements of the periodic table. They are the uranium series, the actinide series, and the thorium series.
3.1: Nuclear Chemistry and Radioactive Decay
WEBThree of these series include most of the naturally radioactive elements of the periodic table. They are the uranium series, the actinide series, and the thorium series.
The collection Radioactive Elements in the Periodic Table
WEBThese elements are radioactive. They either have no stable naturally occurring isotope, or else are entirely artificial (all artificial elements have no stable isotopes). Click any element below to see all the samples of that element.
The Radioactive Elements | Chem 13 News Magazine
WEBThe Radioactive Elements. 2019 International Year of the Periodic Table. James L Marshall, Professor Emeritus, University of North Texas, Denton, Texas. Share: